This one vaccine can protect us from all COVID variants
interestingengineering.com
Existing vaccines can protect us from only past virus variants, but scientists recently tested a new Covid vaccine that will also work against future Covid variants.

Sorry about the sensationalist title; I just copy/pasted the original.

Original study this article is based on: “A computationally designed antigen eliciting broad humoral responses against SARS-CoV-2 and related sarbecoviruses” https://www.nature.com/articles/s41551-023-01094-2